Patents Examined by F. A. Goldberg
  • Ink jet apparatus and method of operating the ink jet apparatus wherein phase change ink is supplied in solid-state form
    Patent number: 4667206
    Abstract: An ink jet apparatus employs phase change ink which may be heated for jetting and is characteristically solid at room temperature. The ink is delivered and then advanced to a melting location in the solid state. At the melting location, the ink is changed to liquid state, whereupon it is jetted. The ink in the solid state takes the form of pellets which are advanced by a carrier.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: May 19, 1987
    Inventor: Thomas W. DeYoung